4545911823 has 16 divisors (see below), whose sum is σ = 6389961600. Its totient is φ = 2866721760.

The previous prime is 4545911819. The next prime is 4545911833. The reversal of 4545911823 is 3281195454.

It is not a de Polignac number, because 4545911823 - 2² = 4545911819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545911833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22948 + ... + 98073.

It is an arithmetic number, because the mean of its divisors is an integer number (399372600).

Almost surely, 2^4545911823 is an apocalyptic number.

4545911823 is a deficient number, since it is larger than the sum of its proper divisors (1844049777).

4545911823 is a wasteful number, since it uses less digits than its factorization.

4545911823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121702.

The product of its digits is 172800, while the sum is 42.

The square root of 4545911823 is about 67423.3774220782. The cubic root of 4545911823 is about 1656.5593591770.

The spelling of 4545911823 in words is "four billion, five hundred forty-five million, nine hundred eleven thousand, eight hundred twenty-three".